Do you know you can display a popup message whatever you wish at the time of Windows boot up.

Just follow the below steps:

1.Go to Start Run.
2.type Regedit & press enter.
3.Navigate to : HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Policies\System
4.In the Right Side pane select and open LegalNoticeCaption and enter a value that you want to see in the Menu Bar.
5.Next open LegalNoticeText and insert the message you want to display
6.Close Registry.
7.Restart the system to see the changes.